the the city of poston saw the snow reach 21 inches deep there. that is where a tragic accident happened. a teenager claimed into this car to get warm. the tail pipe was blocked, in the snow and the boy died in a matter of minutes. >> ems were coming out of the boy, at around this point, i got a look at his face. eyes rolled back in his head. i have seen that look before. >> this is part of the country recovering from hurricane sandy, one of the most devastating storms to hit the east coast. it isn't a new phenomenon, experts say our weather patterns are changing due to global warming. we dispatched a team of team of cnn reporters across the country and around the world to investigate, how bad can these storms become? and what can we do now to plan for the next big superstorm when it hits. >>> hurricane sandy threatening to unleash massive damage on the u.s. northeast. >> conditions are deteriorating very rapidly. >> certainly felt more rain, more wind, stronger gusts. >> i've never, in 26 years of forecasting, have seen anything like this. >> the